12654454163653 has 2 divisors, whose sum is σ = 12654454163654. Its totient is φ = 12654454163652.

The previous prime is 12654454163591. The next prime is 12654454163737. The reversal of 12654454163653 is 35636145445621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751615931969 + 902838231684 = 3428063^2 + 950178^2 .

It is a cyclic number.

It is not a de Polignac number, because 12654454163653 - 2¹⁷ = 12654454032581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12654454163594 and 12654454163603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12654454163453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327227081826 + 6327227081827.

It is an arithmetic number, because the mean of its divisors is an integer number (6327227081827).

Almost surely, 2^{12654454163653} is an apocalyptic number.

It is an amenable number.

12654454163653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12654454163653 is an equidigital number, since it uses as much as digits as its factorization.

12654454163653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104000, while the sum is 55.

The spelling of 12654454163653 in words is "twelve trillion, six hundred fifty-four billion, four hundred fifty-four million, one hundred sixty-three thousand, six hundred fifty-three".